What is MIME type "text/x-mumps"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

text/x-mumps is used to mark files that hold MUMPS source code.
It tells programs and editors that the file contains text-based MUMPS commands and logic.
Developers rely on it in environments where the MUMPS language drives both programming and integrated database operations.
Files with this MIME type typically use extensions like M and MUMPS.

Syntax highlighting in code editors
Legacy system support in critical healthcare and administrative software
Embedded database operations within specialized applications

The type is plain text, making it easy for basic text editors to display the code.
It helps tools check for errors and format the source correctly.
For more detailed technical information, visit IANA Registration.

Associated file extensions

.m, .mumps

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: text/x-mumps

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="text/x-mumps">Download file</a>

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');    
    
    http.createServer((req, res) => {    
      res.setHeader('Content-Type', 'text/x-mumps');    
      res.end('Content here');    
    }).listen(3000);

Associated file extensions

.m, .mumps

FAQs

What is the text/x-mumps MIME type used for?

The MIME type text/x-mumps identifies source code files written in the MUMPS (or M) programming language. This language is frequently used in healthcare and financial database systems, and files with this type are treated as plain text by most systems.

Which file extensions are associated with text/x-mumps?

The most common extensions are .m and .mumps. Note that the .m extension is ambiguous as it is also used by Objective-C and MATLAB, which may require specific server configuration to distinguish.

How do I configure Apache to serve MUMPS files correctly?

You can add the MIME type definition to your .htaccess file or main configuration. Add the line: AddType text/x-mumps .m .mumps. This ensures browsers and clients understand the content type.

How do I add text/x-mumps support to Nginx?

In your nginx.conf or within the types block, add the following line: text/x-mumps m mumps;. After saving the configuration, reload Nginx to apply the changes.

Why is my .m file being detected as Objective-C instead of MUMPS?

The .m extension is shared by Objective-C (text/x-objcsrc), MATLAB, and MUMPS. If your server or editor defaults to Objective-C, you may need to explicitly set the MIME type to text/x-mumps or check the file header (shebang) to help tools identify the correct language.

Is text/x-mumps safe to open in a web browser?

Since text/x-mumps is a plain text format, it is safe to view, but browsers will not execute the code. Depending on the Content-Disposition header sent by the server, the browser will either display the raw code as text or trigger a file download.

Are there security risks in serving text/x-mumps files?

Yes, serving source code files publicly can expose logic, database structures, or sensitive comments. Ensure that your web server is configured to deny access to these files if they contain proprietary backend logic, or serve them only in authorized development environments.

General FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.